25311203875939 has 2 divisors, whose sum is σ = 25311203875940. Its totient is φ = 25311203875938.

The previous prime is 25311203875933. The next prime is 25311203875981. The reversal of 25311203875939 is 93957830211352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25311203875939 is a prime.

It is not a weakly prime, because it can be changed into another prime (25311203875933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12655601937969 + 12655601937970.

It is an arithmetic number, because the mean of its divisors is an integer number (12655601937970).

Almost surely, 2^{25311203875939} is an apocalyptic number.

25311203875939 is a deficient number, since it is larger than the sum of its proper divisors (1).

25311203875939 is an equidigital number, since it uses as much as digits as its factorization.

25311203875939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 25311203875939 in words is "twenty-five trillion, three hundred eleven billion, two hundred three million, eight hundred seventy-five thousand, nine hundred thirty-nine".